Free shipping . I took it as a gift. 2.You can't put it in water and can't swim with it The bracelet can't touch the hot water because the hot water has water vapor. 3.Heart rate wristband detection focuses on human tissue. If you have any problem . 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On the hand looks great. Smart phone only, not for PC or Tablet). Therefore, the light source of the heart rate sensor uses green light to achieve minimum loss and interference. Price: US $6.39. :  X. Refund in 15 Days, Lerbyee M4 Smart Bracelet Heart Rate Monitor Bluetooth Fitness Tracker Watch Calories Call Reminder Smart Band for Running Sport Free Shipping. Smart Watch PUTARE Fitness Tracker Heart Rate Sleep Monitor Bluetooth Activity Tracker Touch Screen 5ATM Waterproof Music control Pedometer Calorie Counter SMS Call Notification for Women Men Android iOS Huawei, Pink 4.5 out of 5 stars 930. Free shipping . M4 Smart Watch Band Heart Rate Blood-Pressure Monitor Fitness Wristband-£3.87. Convenient buckle, touch button, in the bracelet itself: pressure measurement, well, it's silly to hope that it will show you the exact measurements, maybe very close and with some error, for the sake of interest i will check the review. For the problem that the bracelet can measure the heart rate in things and in the air, the following explanation is made: 1.At present, the mainstream heart rate bracelets on the market adopt the same measurement method. Opens image gallery. Onetouch 2.Due to many factors such as the physiological structure of the human body, the color of muscles and blood, green light is the color with the highest passing rate in the human body. $11.99. M4 Smart Band Fitness Tracker Watch Sport Bracelet Heart Rate Blood Pressure Smartband Monitor Health Wristband , Find Complete Details about M4 Smart Band Fitness Tracker Watch Sport Bracelet Heart Rate Blood Pressure Smartband Monitor Health Wristband,M4 Smart Band,M4 Fitness Tracker Watch Sport Bracelet,M4 Smart Band Fitness Tracker Watch Sport Bracelet Heart Rate Blood … We'll keep buying. This smart band works as a heart rate tracker, fitness watch, and an activity tracker.M4 waterproof Smart fitness Band compatible with Bluetooth or Heart Rate Sensor. you can contact me and i will help you solve the problem. Key Specifications - Bluetooth 4.1. This fits your . Packed in a box, пупырку and package. All rights reserved. Reads all at once, can download the app to enjoy the rest of your functions, app wearfit 2.0, all works. International shipment of items may be subject … The most interesting thing is that i liked this "find" phone search, t. e click on this button your phone rings and you easily find it, in a bag there or at home and tp))) i recommend! Front shell: PC, rear shell: ABS+PC, Wrist band: environmental protection TPE. 99. Here are the 6 best heart rate monitoring watches of 2021. Working condition. 1688.com Very good bracelet, came time in time, everything is understandable 6 and available, now i will add a review, Has been charged, but not completely .. Has set the charging, all works .. Letsfit. USB charging. Smart watch m4 Smart Band Fitness Tracker Sport Heart Rate Monitor Sports Brace: Condition: New. | Naramek funkční (srdeční TEP, tlak, spánek, kroky, budík, Najdi phone) přišlo zabalené v krabičce. Best Seller in Watches. Check out one of these 15 heart rate monitor watches … Smart Watch Fitness Tracker Heart Rate Monitor Sport Bracelet Health Band M4 UK. :  £59.99 £ 59. UMIDIGI Smart Watch, Built-in GPS Fitness Tracker, Heart Rate Monitor Activity Tracker with 1.3" Touch Screen, 5ATM Waterproof Smartwatch … Works with a smartphone via Bluetooth. Note: | Smart Watch Fitness Tracker Heart Rate Monitor Sport Bracelet Health Band- M5 UK. Smart Watch Heart Rate Blood Pressure Monitor Sport Fitness Tracker. Thank you ,friend. £5.65. Free shipping. Buy Smart Watch, Fitness Tracker with Heart Rate Monitor, IP67 Waterproof Fitness Watch with Pedometer, Smartwatch Compatible with iOS, Android for Men, Women, Black: Smartwatches - Amazon.com FREE DELIVERY possible on eligible purchases After the data is based on the principle of light reflection, the heart rate detection will have a reading. Mouse over to Zoom-Click to enlarge. Mate Wrist Waterproof Bluetooth Smart Watch For Android HTC Samsung iPhone iOS. Sport Fitness Smart Watch Band Heart Rate Oxygen Blood Pressure Tracker Activity. Money Back Guarantee Step counting, calorie, distance, sleep monitoring, exercise mode, call reminder, alarm clock reminder, hand-up display, social sharing (Wechat, QQ, Facebook, Twitter, etc. Doba dodání přibližně 3 týdny. Make sure this fits by entering your model number. Very nice bands. Watches that monitor heart rate have become popular among athletes and people with medical conditions alike. Dark Brown, Color :  It's great to monitor health indicators with such a bracelet. M4 Smart Band Fitness Tracker Watch Sport Bracelet New Blood Rate Heart sport . Free P&P . :  Price: $7.60 + $0.56 shipping Color: Blue $7.60 . Yellow, Color FUZHEN Fitness Tracker HR, M4 Smart Band Wristband Blood Pressure/Heart Rate Monitor/Pedometer Sports Activity Tracker with Step Counter, Calorie Counter, Pedometer Watch for Kids Women and Men by FUZHEN. Some data is also read for non-human objects. | Showroom Intellectual Property Protection C $63.05. | Suppliers FREE Delivery by Amazon. Track отслеживался. Sports and health: Sports step (3D sensor), calorie consumption, exercise distance, pedometer. Pink, Logistics Supports IOS 8.4 or above ; Android 4.4 or above (Download APP from Apple Store or Google Play. The 50% reviews came to the conclusion that the bracelet will have to pts quickly (already 11 days), but no, laughed to khakassia in abakan from 28.07 to 19.08, in general, not the fastest delivery as i hoped, waited for this bracelet as "nightingale of the summer", were delivery and faster))) okay, this is not the essence. Alipay This situation cannot be All avoided, so there will be problems with heart rate data in the case of heart rate bracelet (table) in the case of "air test". Multicolor, Logistics Details about Smart watch m4 Smart Band Fitness Tracker Sport Heart Rate Monitor Sports Brace See original listing . All options are as in the description. In addition to the iPhone5,In addition to the iPhone5 .iPhone SE. With Bluetooth 4.1, this smart bracelet is available for smartphones with Bluetooth function, - Professional 24H-continuous Heart Rate Detection, Whether you are resting or doing sports, detect your heart rate accurately, Watch will send an alarm after leaving the mobile phone in a certain distance, no need to worry about losing your phone, This smart bracelet can record steps, calories and distance, so you can know your sports data,adjust your exercise program and live a healthier life, Accurately monitor total effective sleeping time and motion time every night, helping you develop good living habits, Develop scientific habits and effectively resist sub-health. Everything corresponds to the description. Microwear L15 LED Smart Watch ECG PPG Blood Pressure Heart Rate Sport … Smartband M4 is an example of a modern, unisex sports band that combines many functions, and its compact size guarantees great comfort of use.Measurement enthusiasts are satisfied with the ability to monitor the following parameters: oxygen in the blood, … The principle is not complicated, that is, the PMG signal of the radial artery is obtained by the reflective photoelectric measurement method, and the fast Fourier transform is performed on the PPG signal to analyze the frequency domain. - User Information Legal Enquiry Guide, © 1999-2021 Alibaba.com. Draw conclusions. AliExpress Standard Shipping, Color Come quickly. Terms of Use :  And the price for such a product, not critical. $7.60 . | Country Search It is compatible to devices having Bluetooth version 4.0 and below in smartphones, Tablets and PC's and also support Android. The supplier’s transactions conducted via Alibaba.com in the past 6 months. Fitness Tracker, Smart Bracelet, Wristband manufacturer / supplier in China, offering M4 Smart Bracelet Smart Band Blood Pressure Heart Rate Monitor Fitness Tracker Smart Watch Sport Bracelet, Generation 2 Bluetooth Headphone, I11 True Wireless Bluetooth Headphone with Charging Case Bluetooth V5.0 and so … Under sunlight the reflected light, the delivery is smart watch heart rate monitor tracker fitness sports watch m4, here the are... Naturally has not figured out ) only today received ) ) ordered November 11, more. With world-renowned heart rate monitors to worldwide | see details, calorie,... Among athletes and people with medical conditions alike m4 is a Fitness sports Watch with a pedometer and other for! Under sunlight can contact me and i will finish it, Color screen, heart Fitness. Help you solve the problem 'm very pleased shipping Color: Blue $ 7.60 + $ 0.56 Color!, rear shell: ABS+PC, Wrist Band: environmental protection TPE to.! 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